<?php
session_start();
/*
 * Session variables:
 * $_SESSION['type'] [string] = user type of the logged in user
 * $_SESSION['authorised'] [boolean] = whether or not the current user is logged in
 */
if(isset($_SESSION['authorised']) && $_SESSION['authorised'] == true)
{   
    if(isset($_SESSION['type']))
    {
        if($_SESSION['type'] == 'administrator')
        {
           ?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Tutors Present</title>
<link href="StyleSheet.css" rel="stylesheet" type="text/css" />
<style>
.nav { 
	  width:210px;
	  height:auto;
	  border:thin solid #09C;
	  margin-left: 10px;
	  text-align : center;}
	  
.mainline { 
	  width:712px;
	  height:auto;
	  text-align : center;}


</style></head>
<center>
<body bgcolor="#FFFFFF">
<body>

<div id="wrapper">
	<div id="header">
    <h1></h1>
    </div>
    
    <div id="header2">
    	<h3></h3>
 	</div>
  
	<div id="nav">
        <?php include 'admin_navigation.php';?>
    </div>
	
    <div id="mainline">
        <h4>Tutors</h4>
    

  <div id="body">
  <form action=admin_tutorattendance.php method=POST>	
    <table width="700" height="auto" cellpadding="3" cellspacing="1" align="center">
        <tr height="40" bgcolor="LightSteelBlue">
            <th>Tutor</th>
            <th>Status</th>
            <th>Action</th>
        </tr>
            <?php 
            include ('connection.inc');
            $sql = "SELECT users.lastname || ', ' ||users.firstname AS tutor, teachers.teacher_id, teachers.is_available FROM teachers inner join users on teachers.username=users.username where teachers.is_in=true order by tutor";
            $result = pg_query($sql);
    		$count = pg_num_rows($result);
    		if($count<1)
            {
            	echo "</table>";
            	echo  "<br>No tutor is present";
            }
            else 
            {
	            for($i = 0; $i < $count; $i++)
	            {
	                $tutor = pg_fetch_result($result, $i, 'tutor');
	                $teacher_id = pg_fetch_result($result, $i, 'teacher_id');
	                $is_available = pg_fetch_result($result, $i, 'is_available');
	                if($is_available=='t')
	                {
	                	$status='Available';
	                	$action='Teach';
	                }
	                elseif ($is_available=='f')
	                {
	                	$status='Teaching';
	                	$action='Available';
	                }
	                echo "<tr height=\"30\" bgcolor=\"#f5f5f5\">
	                		<td><center>$tutor</center></td>
	                		<td><center>$status</center></td>
	                		<td><center>
	                			<input type=submit name=\"action\" value=\"$teacher_id $action\" />
	                			<input type=submit name=\"action\" value=\"$teacher_id Out\" />
	                		</center>
	                		</td>
	                		</tr>";
	            }
	            echo "</table>";
            }
			?>
                
   </form>	    
	
      <p align="justify"><br />
      </p>
    </div>
    
    <br class="clearfloat">
	<br />
    </div>
    <div id="footer">
    <p align="center">
    Tutorial Business Manager: info@tbms.com <br />Credits/Engineers: Aquino, Chloebelle; Dela Cruz, Roy Erwin; Maliwanag, Ranyel Bryan; Manzano, Audrey Ann; Ng, Sheila Regine<br />
    <br />copyright 2011</p>
    </div>
</div>
</body>
</html>            
           <?php 

        }
        elseif($_SESSION['type'] == 'student')
         {
            header('Location: student_index.php');
            exit();
        }
        elseif($_SESSION['type'] == 'tutor')
        {
            header('Location: tutor_index.php');
            exit();
        }
        elseif($_SESSION['type'] == 'parent')
        {
            header('Location: parent_index.php');
            exit();
        }
    }
}
else
{
    header('Location: index.php');
}
?>

